<template>
  <div class="icons">
    <swiper :options="swiperOption">
      <swiper-slide v-for="(page, index) of pages" :key="index">
        <div
          class="icon"
          v-for="item of page"
          :key="item.id"
        >
          <div class="icon-img">
            <img class='icon-img-content' :src='item.imgUrl' />
          </div>
          <p class="icon-desc">{{item.desc}}</p>
        </div>
      </swiper-slide>
    </swiper>
  </div>
</template>

<script>
export default {
  name: 'HomeIcons',
  props: {
    list: Array
  },
  data () {
    return {
      swiperOption: {
        autoplay: false
      }
    }
  },
  computed: {
    pages () {
      const pages = []
      this.list.forEach((item, index) => {
        const page = Math.floor(index / 8)
        if (!pages[page]) {
          pages[page] = []
        }
        pages[page].push(item)
      })
      return pages
    }
  }
}
</script>

<style lang="stylus" scoped>
@import '~styles/varibles.styl'
@import '~styles/mixins.styl'
.icons >>> .swiper-container
  height: 0
  padding-bottom: 50%
.icons
  margin-top: .1rem
.icon
  position:relative
  overflow: hidden
  float: left
  width: 25%
  height: 0s
  padding-bottom: 25%
.icon-img
  position: absolute
  top: 0
  left: 0
  right: 0
  bottom: .44rem
  box-sizing: border-box
  padding: .1rem
.icon-img-content
  display: block
  margin: 0 auto
  height: 100%
.icon-desc
  position: absolute
  left: 0
  right: 0
  bottom: 0
  height: .44rem
  line-height: .44rem
  text-align: center
  color: $darkTextColor
  ellipsis()
</style>
